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Communication: FOURTH PERIOD

A randomized 25 question test from a pool of 761 questions, good luck!
Which error check method is best described as an industry standard fieldbus protocol?
Of the answers below, which one is not an advantage of fiber optic cables?
Each network layer for a DCS has it's own specialized equipment or software. Which of the layers below would make use of a HART protocol?
The data transmission in HDX mode travels in _____ direction(s)? Choose the best answer from the ones provided to fill in the blank
In the unbalanced signal transmission system, which answer best represents the number 5?
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the terms below is best described as a discreet input memory location?
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the terms below is best described as a discreet output memory location?
There are numerous threats to the security of a DCS. Which of the security measures below would used be to prevent unauthorized changes from an operator?
All the wired network components interact with ISO layers. Which of the answers below reflects the ISO layers that the firewall interacts with?
Which of the lengths below relates best to a spur cable with 2 field devices connected?
The data packet of an asychronous transmission contains _____ distinct types of bits. Choose the best answer to fill in the blank from the options below.
In synchronous transmission, which of the answers below best describes where the incoming data is always detected by the receiver?
There are two types of Ethernet connector cables. Which type of connector cable is pictured below?
The addition of BCC to the message frame increases the efficiency of detecting errors in transmissions. which one of the error check systems employs a calculated total by the receiver in comparison to the total of the received data?
There are several stages in the alarm lifecycle. Which of these stages is the alarm philosophy compared to industry standards?
Which of the messaging types below is best described as independent communication with the scanner module initiated by the properly configured field device?
There are several advanced alarm methods available that provide a greater level of functionality. Which of the methods below Modifies an alarm using logic?
There are numerous Ethernet standards, a naming formula was developed to identify characteristics of physical connections. Which of the answers below lists all of the information contained in the naming convention?
Which answer below is best described as the RS-485 standard for voltage range to transmit a "Space"?
A defined area of geographical coverage is commonly called an area network. Which of the area networks below is a network that links smaller networks together, but potentially on a global scale?
Which answer below best represents the recommended standard for a null modem cable?
A DCS collects a lot of data during the course of operating. Which of the terms below would best describe the database that contains the value of all the parameters and tags, as well as all the programming and the DCS configuration?
Which of the data transmission modes below best is described as a two way alternating transmission?
In relation to IPv4, every classification has a finite amount of addresses. Which of the classifications below has the most subnet addresses?
Which of the terms below is best described as "losses resulting from defects from the manufacture of the cable"?